diff --git a/Moder.Core/App.axaml b/Moder.Core/App.axaml
index dbad804..8af1637 100644
--- a/Moder.Core/App.axaml
+++ b/Moder.Core/App.axaml
@@ -1,10 +1,9 @@
 <Application
-    RequestedThemeVariant="Default"
     x:Class="Moder.Core.App"
     xmlns="https://github.com/avaloniaui"
-    xmlns:cv="using:Moder.Core.Converters"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:styling="clr-namespace:FluentAvalonia.Styling;assembly=FluentAvalonia"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    RequestedThemeVariant="Default">
     <!--  "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options.  -->
 
     <Application.Styles>
@@ -12,14 +11,14 @@
         <styling:FluentAvaloniaTheme />
         <StyleInclude Source="avares://AvaloniaEdit/Themes/Fluent/AvaloniaEdit.xaml" />
         <StyleInclude Source="avares://Moder.Core/Resources/AppThemeStyleSetter.axaml" />
-        <StyleInclude Source="/Controls/DirectorySelector.axaml" />
+        <StyleInclude Source="avares://Moder.Core/Controls/Controls.axaml" />
     </Application.Styles>
 
     <Application.Resources>
         <ResourceDictionary>
-            <cv:EnumTypeToStringListConverter x:Key="EnumTypeToStringListConverter" />
+            <FontFamily x:Key="FluentIconFontFamily">Segoe Fluent Icons</FontFamily>
             <ResourceDictionary.MergedDictionaries>
-                <ResourceInclude Source="avares://Moder.Core/Resources/AppThemeResource.axaml" />
+                <MergeResourceInclude Source="avares://Moder.Core/Resources/AppThemeResource.axaml" />
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>
     </Application.Resources>
diff --git a/Moder.Core/App.axaml.cs b/Moder.Core/App.axaml.cs
index d71a1bf..3f706cd 100644
--- a/Moder.Core/App.axaml.cs
+++ b/Moder.Core/App.axaml.cs
@@ -32,6 +32,7 @@ namespace Moder.Core;
 public class App : Application
 {
     public const string AppVersion = "0.1.0-alpha";
+    public const string CodeRepositoryUrl = "https://github.com/ModerCore/Moder";
     public static new App Current => (App)Application.Current!;
     public static IServiceProvider Services => Current._serviceProvider;
     public static string AppConfigFolder { get; } =
@@ -131,6 +132,7 @@ private static HostApplicationBuilder CreateHostBuilder()
         builder.Services.AddViewSingleton<SideBarControlView, SideBarControlViewModel>();
         builder.Services.AddViewSingleton<WorkSpaceControlView, WorkSpaceControlViewModel>();
         builder.Services.AddViewTransient<CharacterEditorControlView, CharacterEditorControlViewModel>();
+        builder.Services.AddViewTransient<AppSettingsView, AppSettingsViewModel>();
         builder.Services.AddViewSingleton<StatusBarControlView, StatusBarControlViewModel>();
         builder.Services.AddTransient<TraitSelectionWindowViewModel>();
 
diff --git a/Moder.Core/Behaviors/AutoCompleteZeroMinimumPrefixLengthDropdownBehaviour.cs b/Moder.Core/Behaviors/AutoCompleteZeroMinimumPrefixLengthDropdownBehaviour.cs
index 71ed4f1..d83d82d 100644
--- a/Moder.Core/Behaviors/AutoCompleteZeroMinimumPrefixLengthDropdownBehaviour.cs
+++ b/Moder.Core/Behaviors/AutoCompleteZeroMinimumPrefixLengthDropdownBehaviour.cs
@@ -93,7 +93,7 @@ private void ShowDropdown()
                     ipc.SetValue(AssociatedObject, true);
                 }
 
-                AssociatedObject.SetCurrentValue<bool>(AutoCompleteBox.IsDropDownOpenProperty, true);
+                AssociatedObject.SetCurrentValue(AutoCompleteBox.IsDropDownOpenProperty, true);
             }
         }
     }
diff --git a/Moder.Core/Controls/Controls.axaml b/Moder.Core/Controls/Controls.axaml
new file mode 100644
index 0000000..3647941
--- /dev/null
+++ b/Moder.Core/Controls/Controls.axaml
@@ -0,0 +1,3 @@
+<Styles xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <StyleInclude Source="avares://Moder.Core/Controls/DirectorySelector.axaml" />
+</Styles>
diff --git a/Moder.Core/Controls/DirectorySelector.axaml b/Moder.Core/Controls/DirectorySelector.axaml
index 02311eb..604eb84 100644
--- a/Moder.Core/Controls/DirectorySelector.axaml
+++ b/Moder.Core/Controls/DirectorySelector.axaml
@@ -1,7 +1,7 @@
 <Styles
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:controls="clr-namespace:Moder.Core.Controls">
+    xmlns:controls="clr-namespace:Moder.Core.Controls"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <Design.PreviewWith>
         <controls:DirectorySelector />
     </Design.PreviewWith>
@@ -11,19 +11,20 @@
         <Setter Property="Template">
             <ControlTemplate>
                 <DataValidationErrors
+                    Errors="{TemplateBinding DataValidationErrors.Errors}"
                     HorizontalAlignment="Center"
-                    VerticalAlignment="Center"
                     HorizontalContentAlignment="Center"
-                    Errors="{TemplateBinding DataValidationErrors.Errors}">
+                    VerticalAlignment="Center">
                     <StackPanel
                         HorizontalAlignment="Center"
                         Orientation="Horizontal"
                         Spacing="4">
                         <TextBox
-                            Width="280"
-                            MaxHeight="55"
                             IsReadOnly="True"
-                            Text="{TemplateBinding DirectoryPath}" />
+                            MaxHeight="55"
+                            Text="{TemplateBinding DirectoryPath,
+                                                   Mode=TwoWay}"
+                            Width="280" />
                         <Button Command="{TemplateBinding SelectDirectoryCommand}" Content="{TemplateBinding SelectorCaption}" />
                     </StackPanel>
                 </DataValidationErrors>
diff --git a/Moder.Core/Controls/DirectorySelector.axaml.cs b/Moder.Core/Controls/DirectorySelector.axaml.cs
index e07cb01..7a489ab 100644
--- a/Moder.Core/Controls/DirectorySelector.axaml.cs
+++ b/Moder.Core/Controls/DirectorySelector.axaml.cs
@@ -13,9 +13,11 @@ public string SelectorCaption
         get => GetValue(SelectorCaptionProperty);
         set => SetValue(SelectorCaptionProperty, value);
     }
-    public static readonly StyledProperty<string> SelectorCaptionProperty
-    = AvaloniaProperty.Register<DirectorySelector, string>(nameof(SelectorCaption));
-    
+    public static readonly StyledProperty<string> SelectorCaptionProperty = AvaloniaProperty.Register<
+        DirectorySelector,
+        string
+    >(nameof(SelectorCaption));
+
     public string DirectoryPath
     {
         get => GetValue(DirectoryPathProperty);
@@ -24,7 +26,7 @@ public string DirectoryPath
     public static readonly StyledProperty<string> DirectoryPathProperty = AvaloniaProperty.Register<
         DirectorySelector,
         string
-    >(nameof(DirectoryPath), enableDataValidation:true);
+    >(nameof(DirectoryPath), enableDataValidation: true, defaultBindingMode: BindingMode.TwoWay);
 
     public ICommand SelectDirectoryCommand
     {
@@ -33,8 +35,12 @@ public ICommand SelectDirectoryCommand
     }
     public static readonly StyledProperty<ICommand> SelectDirectoryCommandProperty =
         AvaloniaProperty.Register<DirectorySelector, ICommand>(nameof(SelectDirectoryCommand));
-    
-    protected override void UpdateDataValidation(AvaloniaProperty property, BindingValueType state, Exception? error)
+
+    protected override void UpdateDataValidation(
+        AvaloniaProperty property,
+        BindingValueType state,
+        Exception? error
+    )
     {
         if (property == DirectoryPathProperty)
         {
diff --git a/Moder.Core/Converters/EnumTypeToStringListConverter.cs b/Moder.Core/Converters/EnumTypeToStringListConverter.cs
deleted file mode 100644
index 21da4f5..0000000
--- a/Moder.Core/Converters/EnumTypeToStringListConverter.cs
+++ /dev/null
@@ -1,34 +0,0 @@
-using System.Globalization;
-using System.Resources;
-using Avalonia.Data.Converters;
-using EnumsNET;
-
-namespace Moder.Core.Converters;
-
-public sealed class EnumTypeToStringListConverter : IValueConverter
-{
-    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
-    {
-        if (value is not Type type || !typeof(Enum).IsAssignableFrom(type))
-        {
-            return null;
-        }
-        var names = Enums.GetNames(type);
-        var localiza = new List<string>(names.Count);
-        var resourceManager = new ResourceManager(typeof(Language.Strings.Resource));
-        foreach (var n in names)
-        {
-            var name = $"{type.Name}.{n}";
-            localiza.Add(
-                resourceManager.GetString(name, Language.Strings.Resource.Culture)
-                    ?? Language.Strings.Resource.LocalizeValueNotFind
-            );
-        }
-        return localiza;
-    }
-
-    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-    {
-        throw new NotSupportedException();
-    }
-}
diff --git a/Moder.Core/Extensions/EnumExtensions.cs b/Moder.Core/Extensions/EnumExtensions.cs
index d04a806..869b781 100644
--- a/Moder.Core/Extensions/EnumExtensions.cs
+++ b/Moder.Core/Extensions/EnumExtensions.cs
@@ -1,6 +1,5 @@
 using System.Globalization;
 using Avalonia.Styling;
-using EnumsNET;
 using Moder.Core.Models;
 using Moder.Core.Models.Game;
 
@@ -8,23 +7,6 @@ namespace Moder.Core.Extensions;
 
 public static class EnumExtensions
 {
-    public static object? ToEnum(this string str, Type enumType)
-    {
-        try
-        {
-            if (Enums.TryParse(enumType, str, true, out var result))
-            {
-                return result;
-            }
-        }
-        catch (Exception)
-        {
-            // ignored
-        }
-
-        return null;
-    }
-    
     public static string ToGameLocalizationLanguage(this GameLanguage language)
     {
         if (language == GameLanguage.Default)
@@ -47,7 +29,7 @@ public static string ToGameLocalizationLanguage(this GameLanguage language)
             _ => throw new ArgumentOutOfRangeException(nameof(language), language, null)
         };
     }
-    
+
     private static GameLanguage GetSystemLanguage()
     {
         var cultureInfo = CultureInfo.CurrentUICulture;
@@ -88,15 +70,15 @@ private static GameLanguage GetSystemLanguage()
 
         return GameLanguage.English;
     }
-    
+
     public static ThemeVariant ToThemeVariant(this ThemeMode type)
     {
         return type switch
         {
-            ThemeMode.Light => new ThemeVariant(nameof(ThemeMode.Light), ThemeVariant.Light),
-            ThemeMode.Dark => new ThemeVariant(nameof(ThemeMode.Dark), ThemeVariant.Dark),
-            ThemeMode.DarkSlateGray => new ThemeVariant(nameof(ThemeMode.DarkSlateGray), ThemeVariant.Dark),
-            _ => ThemeVariant.Default,
+            ThemeMode.Light => ThemeVariant.Light,
+            ThemeMode.Dark => ThemeVariant.Dark,
+            ThemeMode.Default => ThemeVariant.Default,
+            _ => ThemeVariant.Default
         };
     }
 }
diff --git a/Moder.Core/Messages/CompleteAppInitializeMessage.cs b/Moder.Core/Messages/CompleteAppInitializeMessage.cs
index 37432e7..6d4470b 100644
--- a/Moder.Core/Messages/CompleteAppInitializeMessage.cs
+++ b/Moder.Core/Messages/CompleteAppInitializeMessage.cs
@@ -1,3 +1,5 @@
 namespace Moder.Core.Messages;
 
-public sealed record CompleteAppInitializeMessage;
\ No newline at end of file
+public sealed record CompleteAppInitializeMessage;
+
+public sealed record CompleteAppSettingsMessage;
\ No newline at end of file
diff --git a/Moder.Core/Models/AppThemeInfo.cs b/Moder.Core/Models/AppThemeInfo.cs
new file mode 100644
index 0000000..b9a6db7
--- /dev/null
+++ b/Moder.Core/Models/AppThemeInfo.cs
@@ -0,0 +1,7 @@
+namespace Moder.Core.Models;
+
+public sealed class AppThemeInfo(string displayName, ThemeMode mode)
+{
+    public string DisplayName { get; } = displayName;
+    public ThemeMode Mode { get; } = mode;
+}
diff --git a/Moder.Core/Models/Game/Modifiers/LeafModifier.cs b/Moder.Core/Models/Game/Modifiers/LeafModifier.cs
index 4f3501d..f1600d4 100644
--- a/Moder.Core/Models/Game/Modifiers/LeafModifier.cs
+++ b/Moder.Core/Models/Game/Modifiers/LeafModifier.cs
@@ -19,7 +19,7 @@ public sealed class LeafModifier : IModifier, IEquatable<LeafModifier>
     public const string CustomModifierTooltipKey = "custom_modifier_tooltip";
 
     /// <summary>
-    /// 从 <see cref="Leaf"/> 构建一个叶子修饰符, <see cref="LocalizationKey"/> 属性被设置为 <c>leaf.Key</c>
+    /// 从 <see cref="Leaf"/> 构建一个叶子修饰符
     /// </summary>
     /// <param name="leaf">叶子</param>
     /// <returns></returns>
diff --git a/Moder.Core/Models/ThemeMode.cs b/Moder.Core/Models/ThemeMode.cs
index f2478f2..6b6fd07 100644
--- a/Moder.Core/Models/ThemeMode.cs
+++ b/Moder.Core/Models/ThemeMode.cs
@@ -2,7 +2,7 @@ namespace Moder.Core.Models;
 
 public enum ThemeMode : byte
 {
+    Default,
     Light,
-    Dark,
-    DarkSlateGray
+    Dark
 }
diff --git a/Moder.Core/Models/ThemeVariants.cs b/Moder.Core/Models/ThemeVariants.cs
deleted file mode 100644
index 58e29d0..0000000
--- a/Moder.Core/Models/ThemeVariants.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-using Avalonia.Styling;
-using Moder.Core.Extensions;
-
-namespace Moder.Core.Models;
-
-public static class ThemeVariants
-{
-    public static ThemeVariant Light { get; } = ThemeMode.Light.ToThemeVariant();
-
-    public static ThemeVariant Dark { get; } = ThemeMode.Dark.ToThemeVariant();
-
-    public static ThemeVariant DarkSlateGray { get; } = ThemeMode.DarkSlateGray.ToThemeVariant();
-}
diff --git a/Moder.Core/Models/Vo/TraitVo.cs b/Moder.Core/Models/Vo/TraitVo.cs
index 80748fb..2df8e69 100644
--- a/Moder.Core/Models/Vo/TraitVo.cs
+++ b/Moder.Core/Models/Vo/TraitVo.cs
@@ -32,7 +32,7 @@ public sealed partial class TraitVo : ObservableObject, IEquatable<TraitVo>
     // }
 
     /// <summary>
-    /// 是否已选择, 当值改变时, 发送 <see cref="SelectedTraitChangedMessage"/> 通知
+    /// 是否已选择
     /// </summary>
     [ObservableProperty]
     public partial bool IsSelected { get; set; }
diff --git a/Moder.Core/Moder.Core.csproj b/Moder.Core/Moder.Core.csproj
index b15999c..4de517b 100644
--- a/Moder.Core/Moder.Core.csproj
+++ b/Moder.Core/Moder.Core.csproj
@@ -112,5 +112,6 @@
     <ItemGroup>
       <Folder Include="Assets\CodeEditor\Grammars\" />
       <Folder Include="Assets\CodeEditor\Themes\" />
+      <Folder Include="Converters\" />
     </ItemGroup>
 </Project>
diff --git a/Moder.Core/Resources/AppThemeResource.axaml b/Moder.Core/Resources/AppThemeResource.axaml
index d92240a..41cebd0 100644
--- a/Moder.Core/Resources/AppThemeResource.axaml
+++ b/Moder.Core/Resources/AppThemeResource.axaml
@@ -1,21 +1,14 @@
-<ResourceDictionary
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:res="clr-namespace:Moder.Core.Models">
+<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 
     <ResourceDictionary.ThemeDictionaries>
-        <ResourceDictionary x:Key="{x:Static res:ThemeVariants.Light}">
+        <ResourceDictionary x:Key="{x:Static ThemeVariant.Light}">
             <SolidColorBrush x:Key="BackgroundBrush">#fafafa</SolidColorBrush>
             <SolidColorBrush x:Key="ForegroundBrush">#1e1e1e</SolidColorBrush>
         </ResourceDictionary>
-        <ResourceDictionary x:Key="{x:Static res:ThemeVariants.Dark}">
+        <ResourceDictionary x:Key="{x:Static ThemeVariant.Dark}">
             <SolidColorBrush x:Key="BackgroundBrush">#252526</SolidColorBrush>
             <SolidColorBrush x:Key="ForegroundBrush">#f5f5f5</SolidColorBrush>
         </ResourceDictionary>
-        <ResourceDictionary x:Key="{x:Static res:ThemeVariants.DarkSlateGray}">
-            <SolidColorBrush x:Key="BackgroundBrush">DarkSlateGray</SolidColorBrush>
-            <SolidColorBrush x:Key="ForegroundBrush">Azure</SolidColorBrush>
-        </ResourceDictionary>
     </ResourceDictionary.ThemeDictionaries>
 
 </ResourceDictionary>
diff --git a/Moder.Core/Services/Config/AppSettingService.cs b/Moder.Core/Services/Config/AppSettingService.cs
index 3ce4f3a..1bda654 100644
--- a/Moder.Core/Services/Config/AppSettingService.cs
+++ b/Moder.Core/Services/Config/AppSettingService.cs
@@ -30,7 +30,7 @@ public GameLanguage GameLanguage
     } = GameLanguage.Default;
 
     [MemoryPackOrder(3)]
-    public string AppLanguage
+    public string AppLanguageCode
     {
         get;
         set => SetProperty(ref field, value);
diff --git a/Moder.Core/Services/GameResources/Modifiers/ModifierService.cs b/Moder.Core/Services/GameResources/Modifiers/ModifierService.cs
index be30ce5..72ad774 100644
--- a/Moder.Core/Services/GameResources/Modifiers/ModifierService.cs
+++ b/Moder.Core/Services/GameResources/Modifiers/ModifierService.cs
@@ -159,11 +159,6 @@ public string GetDisplayValue(LeafModifier leafModifier, string modifierDisplayF
         return leafModifier.Value;
     }
 
-    private static bool IsAllUppercase(string value)
-    {
-        return value.All(char.IsUpper);
-    }
-
     private static char GetDisplayDigits(string modifierDescription)
     {
         var displayDigits = '1';
diff --git a/Moder.Core/Services/GameResources/TerrainService.cs b/Moder.Core/Services/GameResources/TerrainService.cs
index 2949413..3d53823 100644
--- a/Moder.Core/Services/GameResources/TerrainService.cs
+++ b/Moder.Core/Services/GameResources/TerrainService.cs
@@ -1,7 +1,6 @@
 using System.Collections.Frozen;
 using MethodTimer;
 using Moder.Core.Services.GameResources.Base;
-using Moder.Core.Services.GameResources.Localization;
 using ParadoxPower.Process;
 
 namespace Moder.Core.Services.GameResources;
@@ -17,13 +16,11 @@ public sealed class TerrainService : CommonResourcesService<TerrainService, Froz
     /// 未在文件中定义的地形
     /// </summary>
     private readonly FrozenSet<string> _unitTerrain;
-    private readonly LocalizationService _localizationService;
 
     [Time("加载地形资源")]
-    public TerrainService(LocalizationService localizationService)
+    public TerrainService()
         : base(Path.Combine(Keywords.Common, "terrain"), WatcherFilter.Text)
     {
-        _localizationService = localizationService;
         //TODO: 从数据库读取
         _unitTerrain = ["fort", "river"];
     }
diff --git a/Moder.Core/Services/MessageBoxService.cs b/Moder.Core/Services/MessageBoxService.cs
index 225bf16..df5ad15 100644
--- a/Moder.Core/Services/MessageBoxService.cs
+++ b/Moder.Core/Services/MessageBoxService.cs
@@ -27,4 +27,15 @@ public async Task ErrorAsync(string message)
         );
         await dialog.ShowAsync();
     }
+    
+    public async Task InfoAsync(string message)
+    {
+        var dialog = MessageBoxManager.GetMessageBoxStandard(
+            Resource.Common_Tip,
+            message,
+            ButtonEnum.Ok,
+            Icon.Info
+        );
+        await dialog.ShowAsync();
+    }
 }
diff --git a/Moder.Core/Views/Game/CharacterEditorControlView.axaml.cs b/Moder.Core/Views/Game/CharacterEditorControlView.axaml.cs
index 715a86d..9501359 100644
--- a/Moder.Core/Views/Game/CharacterEditorControlView.axaml.cs
+++ b/Moder.Core/Views/Game/CharacterEditorControlView.axaml.cs
@@ -36,7 +36,7 @@ public CharacterEditorControlView()
     // TODO: 状态栏
     private void InitializeTextEditor()
     {
-        var options = new ParadoxRegistryOptions(App.Current.RequestedThemeVariant);
+        var options = new ParadoxRegistryOptions(App.Current.ActualThemeVariant);
         Editor.Options.HighlightCurrentLine = true;
         var installation = Editor.InstallTextMate(options);
 
diff --git a/Moder.Core/Views/MainWindow.axaml b/Moder.Core/Views/MainWindow.axaml
index 3cec930..ca1bd66 100644
--- a/Moder.Core/Views/MainWindow.axaml
+++ b/Moder.Core/Views/MainWindow.axaml
@@ -1,23 +1,23 @@
 <Window
+    Design.DataContext="{x:Static vms:DesignData.MainWindowViewModel}"
+    Title="Moder.Core"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d"
     x:Class="Moder.Core.Views.MainWindow"
+    x:DataType="vms:MainWindowViewModel"
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:lang="clr-namespace:Moder.Language.Strings;assembly=Moder.Language"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:vms="clr-namespace:Moder.Core.ViewsModel"
-    Title="Moder.Core"
-    d:DesignHeight="450"
-    d:DesignWidth="800"
-    x:DataType="vms:MainWindowViewModel"
-    Design.DataContext="{x:Static vms:DesignData.MainWindowViewModel}"
-    mc:Ignorable="d">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 
     <Grid RowDefinitions="Auto,*">
         <Menu Grid.Row="0">
             <MenuItem Command="{Binding OpenCharacterEditorCommand}" Header="{x:Static lang:Resource.Menu_CharacterEditor}" />
-            <MenuItem Header="{x:Static lang:Resource.Menu_Settings}" />
+            <MenuItem Command="{Binding OpenSettingsCommand}" Header="{x:Static lang:Resource.Menu_Settings}" />
         </Menu>
-        <ContentControl x:Name="MainContentControl" Grid.Row="1" />
+        <ContentControl Grid.Row="1" x:Name="MainContentControl" />
     </Grid>
 </Window>
diff --git a/Moder.Core/Views/Menus/AppInitializeControlView.axaml b/Moder.Core/Views/Menus/AppInitializeControlView.axaml
index ff2004e..4a09852 100644
--- a/Moder.Core/Views/Menus/AppInitializeControlView.axaml
+++ b/Moder.Core/Views/Menus/AppInitializeControlView.axaml
@@ -1,51 +1,37 @@
 <UserControl
+    Design.DataContext="{x:Static vms:DesignData.AppInitializeControlViewModel}"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d"
     x:Class="Moder.Core.Views.Menus.AppInitializeControlView"
+    x:DataType="menus:AppInitializeControlViewModel"
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="clr-namespace:Moder.Core.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:lang="clr-namespace:Moder.Language.Strings;assembly=Moder.Language"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:menus="clr-namespace:Moder.Core.ViewsModel.Menus"
     xmlns:vms="clr-namespace:Moder.Core.ViewsModel"
-    d:DesignHeight="450"
-    d:DesignWidth="800"
-    x:DataType="menus:AppInitializeControlViewModel"
-    Design.DataContext="{x:Static vms:DesignData.AppInitializeControlViewModel}"
-    mc:Ignorable="d">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 
     <Grid RowDefinitions="*,*,*,Auto">
-        <StackPanel
-            Grid.Row="0"
-            HorizontalAlignment="Center"
-            VerticalAlignment="Center"
-            Orientation="Horizontal"
-            Spacing="4">
-            <Label HorizontalAlignment="Center" Content="{x:Static lang:Resource.SettingsPage_AppTheme}" />
-            <ComboBox
-                x:Name="ThemeSelector"
-                Width="280"
-                MaxHeight="55"
-                HorizontalAlignment="Stretch"
-                ItemsSource="{Binding AppThemes, Converter={StaticResource EnumTypeToStringListConverter}}" />
-        </StackPanel>
         <controls:DirectorySelector
-            Grid.Row="1"
             DirectoryPath="{Binding GameRootFolderPath}"
+            Grid.Row="1"
             SelectDirectoryCommand="{Binding SelectGameRootFolderCommand}"
             SelectorCaption="{x:Static lang:Resource.InitializePage_SelectGameRootPath}" />
 
         <controls:DirectorySelector
-            Grid.Row="2"
             DirectoryPath="{Binding ModRootFolderPath}"
+            Grid.Row="2"
             SelectDirectoryCommand="{Binding SelectModRootFolderCommand}"
             SelectorCaption="{x:Static lang:Resource.InitializePage_SelectModRootPath}" />
         <Button
+            Command="{Binding SubmitCommand}"
+            Content="{x:Static lang:Resource.Common_Complete}"
             Grid.Row="3"
-            Margin="0,0,0,32"
             HorizontalAlignment="Center"
-            VerticalAlignment="Center"
-            Command="{Binding SubmitCommand}"
-            Content="{x:Static lang:Resource.Common_Complete}" />
+            Margin="0,0,0,32"
+            VerticalAlignment="Center" />
     </Grid>
 </UserControl>
diff --git a/Moder.Core/Views/Menus/AppInitializeControlView.axaml.cs b/Moder.Core/Views/Menus/AppInitializeControlView.axaml.cs
index c342af1..5e366f0 100644
--- a/Moder.Core/Views/Menus/AppInitializeControlView.axaml.cs
+++ b/Moder.Core/Views/Menus/AppInitializeControlView.axaml.cs
@@ -1,12 +1,6 @@
-using System.Resources;
-using Avalonia;
-using Avalonia.Controls;
+using Avalonia.Controls;
 using Avalonia.Platform.Storage;
-using EnumsNET;
 using Microsoft.Extensions.DependencyInjection;
-using Moder.Core.Extensions;
-using Moder.Core.Models;
-using Moder.Core.Services.Config;
 using AppInitializeControlViewModel = Moder.Core.ViewsModel.Menus.AppInitializeControlViewModel;
 
 namespace Moder.Core.Views.Menus;
@@ -21,41 +15,6 @@ public AppInitializeControlView()
 
         var viewModel = App.Services.GetRequiredService<AppInitializeControlViewModel>();
         DataContext = viewModel;
-        ThemeSelector.SelectionChanged += ThemeSelectorOnSelectionChanged;
-    }
-
-    protected override void OnInitialized()
-    {
-        base.OnInitialized();
-
-        var settings = App.Services.GetRequiredService<AppSettingService>();
-        var themeType = settings.AppTheme;
-        var names = Enums.GetNames(typeof(ThemeMode));
-        var name = $"{nameof(ThemeMode)}.{themeType}";
-        var resourceManager = new ResourceManager(typeof(Language.Strings.Resource));
-        ThemeSelector.SelectedItem =
-            resourceManager.GetString(name, Language.Strings.Resource.Culture)
-            ?? Language.Strings.Resource.LocalizeValueNotFind;
-    }
-
-    private void ThemeSelectorOnSelectionChanged(object? sender, SelectionChangedEventArgs e)
-    {
-        var type = typeof(ThemeMode);
-        var names = Enums.GetNames(type);
-        var index = ThemeSelector.SelectedIndex;
-        if (index >= names.Count || index < 0)
-        {
-            return;
-        }
-        var obj = names[index].ToEnum(type);
-        if (obj is not ThemeMode theme)
-        {
-            return;
-        }
-
-        App.Current.RequestedThemeVariant = theme.ToThemeVariant();
-        var settingService = App.Services.GetRequiredService<AppSettingService>();
-        settingService.AppTheme = theme;
     }
 
     protected override void OnDataContextChanged(EventArgs e)
diff --git a/Moder.Core/Views/Menus/AppSettingsView.axaml b/Moder.Core/Views/Menus/AppSettingsView.axaml
new file mode 100644
index 0000000..939fc00
--- /dev/null
+++ b/Moder.Core/Views/Menus/AppSettingsView.axaml
@@ -0,0 +1,118 @@
+<UserControl
+    x:Class="Moder.Core.Views.Menus.AppSettingsView"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:core="clr-namespace:Moder.Core"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:gameModels="clr-namespace:Moder.Core.Models.Game"
+    xmlns:lang="clr-namespace:Moder.Language.Strings;assembly=Moder.Language"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:models="clr-namespace:Moder.Core.Models"
+    xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
+    xmlns:vms="clr-namespace:Moder.Core.ViewsModel.Menus"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    x:DataType="vms:AppSettingsViewModel"
+    mc:Ignorable="d">
+
+    <UserControl.Styles>
+        <Style Selector="TextBlock.SubtitleTextBlock">
+            <Style.Setters>
+                <Setter Property="FontFamily" Value="SemiBold" />
+                <Setter Property="FontSize" Value="20" />
+                <Setter Property="LineHeight" Value="28" />
+            </Style.Setters>
+        </Style>
+    </UserControl.Styles>
+
+    <StackPanel Margin="24,0" Spacing="4">
+        <TextBlock
+            Margin="0,16,0,0"
+            Classes="SubtitleTextBlock"
+            Text="{x:Static lang:Resource.SettingsPage_CommonSettings}" />
+        <ui:SettingsExpander Header="{x:Static lang:Resource.SettingsPage_AppTheme}">
+            <ui:SettingsExpander.IconSource>
+                <ui:SymbolIconSource Symbol="DarkTheme" />
+            </ui:SettingsExpander.IconSource>
+            <ui:SettingsExpander.Footer>
+                <ComboBox
+                    HorizontalAlignment="Stretch"
+                    ItemsSource="{Binding AppThemes}"
+                    SelectedItem="{Binding SelectedAppTheme}">
+                    <ComboBox.ItemTemplate>
+                        <DataTemplate x:DataType="models:AppThemeInfo">
+                            <TextBlock Text="{Binding DisplayName}" />
+                        </DataTemplate>
+                    </ComboBox.ItemTemplate>
+                </ComboBox>
+            </ui:SettingsExpander.Footer>
+        </ui:SettingsExpander>
+
+        <ui:SettingsExpander Description="{x:Static lang:Resource.SettingsPage_MustRestart}" Header="{x:Static lang:Resource.SettingsPage_AppLanguage}">
+            <ui:SettingsExpander.IconSource>
+                <ui:FontIconSource FontFamily="{StaticResource FluentIconFontFamily}" Glyph="&#xF2B7;" />
+            </ui:SettingsExpander.IconSource>
+            <ui:SettingsExpander.Footer>
+                <ComboBox ItemsSource="{Binding ApplicationLanguages}" SelectedItem="{Binding SelectedAppLanguage}">
+                    <ComboBox.ItemTemplate>
+                        <DataTemplate x:DataType="models:AppLanguageInfo">
+                            <TextBlock Text="{Binding DisplayName}" />
+                        </DataTemplate>
+                    </ComboBox.ItemTemplate>
+                </ComboBox>
+            </ui:SettingsExpander.Footer>
+        </ui:SettingsExpander>
+
+        <ui:SettingsExpander Header="{x:Static lang:Resource.SettingsPage_GameLocalizationLanguage}">
+            <ui:SettingsExpander.IconSource>
+                <ui:FontIconSource FontFamily="{StaticResource FluentIconFontFamily}" Glyph="&#xF2B7;" />
+            </ui:SettingsExpander.IconSource>
+            <ui:SettingsExpander.Footer>
+                <ComboBox ItemsSource="{Binding GameLanguages}" SelectedItem="{Binding SelectedGameLanguage}">
+                    <ComboBox.ItemTemplate>
+                        <DataTemplate x:DataType="gameModels:GameLanguageInfo">
+                            <TextBlock Text="{Binding DisplayName}" />
+                        </DataTemplate>
+                    </ComboBox.ItemTemplate>
+                </ComboBox>
+            </ui:SettingsExpander.Footer>
+        </ui:SettingsExpander>
+
+        <ui:SettingsExpander Description="{Binding GameRootFolderPath}" Header="{x:Static lang:Resource.SettingsPage_GameRootPath}">
+            <ui:SettingsExpander.IconSource>
+                <ui:FontIconSource FontFamily="{StaticResource FluentIconFontFamily}" Glyph="&#xE756;" />
+            </ui:SettingsExpander.IconSource>
+            <ui:SettingsExpander.Footer>
+                <Button Command="{Binding SelectGameRootFolderCommand}" Content="{x:Static lang:Resource.SettingsPage_ReSelect}" />
+            </ui:SettingsExpander.Footer>
+        </ui:SettingsExpander>
+
+        <ui:SettingsExpander Description="{Binding ModRootFolderPath}" Header="{x:Static lang:Resource.SettingsPage_ModRootPath}">
+            <ui:SettingsExpander.IconSource>
+                <ui:FontIconSource FontFamily="{StaticResource FluentIconFontFamily}" Glyph="&#xE756;" />
+            </ui:SettingsExpander.IconSource>
+            <ui:SettingsExpander.Footer>
+                <Button Command="{Binding SelectModRootFolderCommand}" Content="{x:Static lang:Resource.SettingsPage_ReSelect}" />
+            </ui:SettingsExpander.Footer>
+        </ui:SettingsExpander>
+
+        <TextBlock
+            Margin="0,20,0,0"
+            Classes="SubtitleTextBlock"
+            Text="{x:Static lang:Resource.SettingsPage_OtherSettings}" />
+        <ui:SettingsExpander Description="Developed by textGamex, All rights reserved." Header="Moder">
+            <ui:SettingsExpander.Footer>
+                <TextBlock Text="{x:Static core:App.AppVersion}" />
+            </ui:SettingsExpander.Footer>
+            <ui:SettingsExpanderItem
+                Click="SettingsExpanderItem_OnClick"
+                Content="{x:Static lang:Resource.SettingsPage_CodeRepository}"
+                Description="{x:Static core:App.CodeRepositoryUrl}"
+                IsClickEnabled="True">
+                <ui:SettingsExpanderItem.ActionIconSource>
+                    <ui:SymbolIconSource Symbol="Open" />
+                </ui:SettingsExpanderItem.ActionIconSource>
+            </ui:SettingsExpanderItem>
+        </ui:SettingsExpander>
+    </StackPanel>
+</UserControl>
diff --git a/Moder.Core/Views/Menus/AppSettingsView.axaml.cs b/Moder.Core/Views/Menus/AppSettingsView.axaml.cs
new file mode 100644
index 0000000..05f4306
--- /dev/null
+++ b/Moder.Core/Views/Menus/AppSettingsView.axaml.cs
@@ -0,0 +1,60 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+using Microsoft.Extensions.DependencyInjection;
+using Moder.Core.Infrastructure;
+using Moder.Core.ViewsModel.Menus;
+using Moder.Language.Strings;
+
+namespace Moder.Core.Views.Menus;
+
+public sealed partial class AppSettingsView : UserControl, ITabViewItem
+{
+    private IDisposable? _selectFolderInteractionDisposable;
+
+    public AppSettingsView()
+    {
+        InitializeComponent();
+        ViewModel = App.Services.GetRequiredService<AppSettingsViewModel>();
+        DataContext = ViewModel;
+    }
+
+    public string Header => Resource.Menu_Settings;
+    public string Id => nameof(AppSettingsView);
+    public string ToolTip => Header;
+
+    private AppSettingsViewModel ViewModel { get; }
+
+    protected override void OnDataContextChanged(EventArgs e)
+    {
+        _selectFolderInteractionDisposable?.Dispose();
+
+        if (DataContext is AppSettingsViewModel viewModel)
+        {
+            _selectFolderInteractionDisposable = viewModel.SelectFolderInteraction.RegisterHandler(Handler);
+        }
+
+        base.OnDataContextChanged(e);
+    }
+
+    private async Task<string> Handler(string title)
+    {
+        var topLevel = TopLevel.GetTopLevel(this);
+        if (topLevel is null)
+        {
+            return string.Empty;
+        }
+
+        var folders = await topLevel.StorageProvider.OpenFolderPickerAsync(
+            new FolderPickerOpenOptions { Title = title, AllowMultiple = false }
+        );
+        var result = folders.Count > 0 ? folders[0].TryGetLocalPath() ?? string.Empty : string.Empty;
+
+        return result;
+    }
+
+    private void SettingsExpanderItem_OnClick(object? sender, RoutedEventArgs e)
+    {
+        _ = TopLevel.GetTopLevel(this)?.Launcher.LaunchUriAsync(new Uri(App.CodeRepositoryUrl));
+    }
+}
diff --git a/Moder.Core/ViewsModel/MainWindowViewModel.cs b/Moder.Core/ViewsModel/MainWindowViewModel.cs
index 75f016d..7b36688 100644
--- a/Moder.Core/ViewsModel/MainWindowViewModel.cs
+++ b/Moder.Core/ViewsModel/MainWindowViewModel.cs
@@ -3,6 +3,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Moder.Core.Services;
 using Moder.Core.Views.Game;
+using Moder.Core.Views.Menus;
 
 namespace Moder.Core.ViewsModel;
 
@@ -14,4 +15,11 @@ private void OpenCharacterEditor()
         var tabview = App.Services.GetRequiredService<TabViewNavigationService>();
         tabview.AddSingleTabFromIoc<CharacterEditorControlView>();
     }
+    
+    [RelayCommand]
+    private void OpenSettings()
+    {
+        var tabview = App.Services.GetRequiredService<TabViewNavigationService>();
+        tabview.AddSingleTabFromIoc<AppSettingsView>();
+    }
 }
\ No newline at end of file
diff --git a/Moder.Core/ViewsModel/Menus/AppSettingsViewModel.cs b/Moder.Core/ViewsModel/Menus/AppSettingsViewModel.cs
new file mode 100644
index 0000000..1786cf9
--- /dev/null
+++ b/Moder.Core/ViewsModel/Menus/AppSettingsViewModel.cs
@@ -0,0 +1,193 @@
+using System.ComponentModel.DataAnnotations;
+using System.Diagnostics.CodeAnalysis;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Moder.Core.Extensions;
+using Moder.Core.Infrastructure;
+using Moder.Core.Models;
+using Moder.Core.Models.Game;
+using Moder.Core.Services;
+using Moder.Core.Services.Config;
+using Moder.Language.Strings;
+using NLog;
+
+namespace Moder.Core.ViewsModel.Menus;
+
+public sealed partial class AppSettingsViewModel : ObservableValidator
+{
+    private readonly AppSettingService _settingService;
+    private readonly MessageBoxService _messageBox;
+
+    [Required(
+        ErrorMessageResourceName = "UIErrorMessage_Required",
+        ErrorMessageResourceType = typeof(Resource)
+    )]
+    [ObservableProperty]
+    public partial string GameRootFolderPath { get; set; } = string.Empty;
+
+    [Required(
+        ErrorMessageResourceName = "UIErrorMessage_Required",
+        ErrorMessageResourceType = typeof(Resource)
+    )]
+    [ObservableProperty]
+    public partial string ModRootFolderPath { get; set; } = string.Empty;
+
+    [ObservableProperty]
+    private AppLanguageInfo _selectedAppLanguage;
+
+    [ObservableProperty]
+    private GameLanguageInfo _selectedGameLanguage;
+
+    [ObservableProperty]
+    private AppThemeInfo _selectedAppTheme;
+
+    public Interaction<string, string> SelectFolderInteraction { get; } = new();
+
+    public AppLanguageInfo[] ApplicationLanguages { get; } =
+        [new("跟随系统设置", string.Empty), new("简体中文", "zh-CN"), new("English", "en-US")];
+
+    public AppThemeInfo[] AppThemes { get; } =
+        [
+            new(Resource.Common_UseSystemSetting, ThemeMode.Default),
+            new(Resource.ThemeMode_Light, ThemeMode.Light),
+            new(Resource.ThemeMode_Dark, ThemeMode.Dark)
+        ];
+
+    public GameLanguageInfo[] GameLanguages { get; } =
+        [
+            new("跟随系统设置", GameLanguage.Default),
+            new("简体中文", GameLanguage.Chinese),
+            new("英文", GameLanguage.English),
+            new("日语", GameLanguage.Japanese),
+            new("俄语", GameLanguage.Russian),
+            new("法语", GameLanguage.French),
+            new("波兰语", GameLanguage.Polish),
+            new("德语", GameLanguage.German),
+            new("西班牙语", GameLanguage.Spanish),
+            new("巴西葡萄牙语", GameLanguage.Portuguese)
+        ];
+
+    private static readonly Logger Log = LogManager.GetCurrentClassLogger();
+
+    public AppSettingsViewModel(AppSettingService settingService, MessageBoxService messageBox)
+    {
+        _settingService = settingService;
+        _messageBox = messageBox;
+
+        GameRootFolderPath = _settingService.GameRootFolderPath;
+        ModRootFolderPath = _settingService.ModRootFolderPath;
+
+        InitAppLanguage();
+        InitGameLanguage();
+        InitAppTheme();
+    }
+
+    [MemberNotNull(nameof(_selectedAppTheme))]
+    [SuppressMessage(
+        "CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator",
+        "MVVMTK0034:Direct field reference to [ObservableProperty] backing field",
+        Justification = "需要跳过属性变化通知"
+    )]
+    private void InitAppTheme()
+    {
+        var theme = Array.Find(AppThemes, info => info.Mode == _settingService.AppTheme) ?? AppThemes[0];
+        _selectedAppTheme = theme;
+    }
+
+    [MemberNotNull(nameof(_selectedAppLanguage))]
+    [SuppressMessage(
+        "CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator",
+        "MVVMTK0034:Direct field reference to [ObservableProperty] backing field",
+        Justification = "需要跳过属性变化通知"
+    )]
+    private void InitAppLanguage()
+    {
+        var language = Array.Find(ApplicationLanguages, info => info.Code == _settingService.AppLanguageCode);
+        if (language is null)
+        {
+            Log.Warn(
+                "未找到匹配的语言代码, Code:{Code}, 存在: [{LanguageArray}]",
+                _settingService.AppLanguageCode,
+                string.Join(", ", ApplicationLanguages.Select(info => info.Code))
+            );
+            _selectedAppLanguage = ApplicationLanguages[0];
+        }
+        else
+        {
+            _selectedAppLanguage = language;
+        }
+    }
+
+    [MemberNotNull(nameof(_selectedGameLanguage))]
+    [SuppressMessage(
+        "CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator",
+        "MVVMTK0034:Direct field reference to [ObservableProperty] backing field",
+        Justification = "需要跳过属性变化通知"
+    )]
+    private void InitGameLanguage()
+    {
+        var language = Array.Find(GameLanguages, info => info.Type == _settingService.GameLanguage);
+        if (language is null)
+        {
+            Log.Warn(
+                "未找到匹配的游戏语言代码, Code:{Code}, 存在: [{LanguageArray}]",
+                _settingService.GameLanguage,
+                string.Join(", ", GameLanguages.Select(info => info.DisplayName))
+            );
+            _selectedGameLanguage = GameLanguages[0];
+        }
+        else
+        {
+            _selectedGameLanguage = language;
+        }
+    }
+
+    partial void OnSelectedAppLanguageChanged(AppLanguageInfo value)
+    {
+        _settingService.AppLanguageCode = value.Code;
+        _ = _messageBox.InfoAsync(Resource.SettingsPage_MustRestart);
+    }
+
+    partial void OnSelectedGameLanguageChanged(GameLanguageInfo value)
+    {
+        _settingService.GameLanguage = value.Type;
+        _ = _messageBox.InfoAsync(Resource.SettingsPage_MustRestart);
+    }
+
+    partial void OnSelectedAppThemeChanged(AppThemeInfo value)
+    {
+        App.Current.RequestedThemeVariant = value.Mode.ToThemeVariant();
+        _settingService.AppTheme = value.Mode;
+    }
+
+    [RelayCommand]
+    private async Task SelectGameRootFolder()
+    {
+        var gameRootPath = await SelectFolderInteraction.HandleAsync(
+            Resource.InitializePage_SelectGameRootPath
+        );
+        if (string.IsNullOrEmpty(gameRootPath))
+        {
+            return;
+        }
+
+        GameRootFolderPath = gameRootPath;
+        _ = _messageBox.InfoAsync(Resource.SettingsPage_MustRestart);
+    }
+
+    [RelayCommand]
+    private async Task SelectModRootFolder()
+    {
+        var modRootPath = await SelectFolderInteraction.HandleAsync(
+            Resource.InitializePage_SelectModRootPath
+        );
+        if (string.IsNullOrEmpty(modRootPath))
+        {
+            return;
+        }
+
+        ModRootFolderPath = modRootPath;
+        // TODO: 先暂时这么处理
+        _ = _messageBox.InfoAsync(Resource.SettingsPage_MustRestart);
+    }
+}
diff --git a/Moder.Core/ViewsModel/Menus/SideBarControlViewModel.cs b/Moder.Core/ViewsModel/Menus/SideBarControlViewModel.cs
index 38a37d4..bef2943 100644
--- a/Moder.Core/ViewsModel/Menus/SideBarControlViewModel.cs
+++ b/Moder.Core/ViewsModel/Menus/SideBarControlViewModel.cs
@@ -1,20 +1,23 @@
 using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Messaging;
 using Moder.Core.Infrastructure;
 using Moder.Core.Infrastructure.FileSort;
+using Moder.Core.Messages;
 using Moder.Core.Models;
 using Moder.Core.Services.Config;
 using NLog;
 
 namespace Moder.Core.ViewsModel.Menus;
 
-public sealed class SideBarControlViewModel : ObservableObject
+public sealed partial class SideBarControlViewModel : ObservableObject
 {
-    public IReadOnlyList<SystemFileItem> Items => _root.Children;
-    private readonly SystemFileItem _root;
     private readonly FileSystemSafeWatcher _fileWatcher;
     private readonly IFileSortComparer _fileSortComparer;
     private static readonly Logger Log = LogManager.GetCurrentClassLogger();
 
+    [ObservableProperty]
+    public partial IReadOnlyList<SystemFileItem> Items { get; set; } = [];
+
     public SideBarControlViewModel(AppSettingService settingService, IFileSortComparer fileSortComparer)
     {
         _fileSortComparer = fileSortComparer;
@@ -27,8 +30,20 @@ public SideBarControlViewModel(AppSettingService settingService, IFileSortCompar
         _fileWatcher.IncludeSubdirectories = true;
         _fileWatcher.EnableRaisingEvents = true;
 
-        _root = new SystemFileItem(settingService.ModRootFolderPath, false, null);
-        LoadFileSystem(settingService.ModRootFolderPath, _root);
+        var root = new SystemFileItem(settingService.ModRootFolderPath, false, null);
+        LoadFileSystem(settingService.ModRootFolderPath, root);
+        Items = root.Children;
+
+        WeakReferenceMessenger.Default.Register<CompleteAppSettingsMessage>(
+            this,
+            (_, _) =>
+            {
+                _fileWatcher.Path = settingService.ModRootFolderPath;
+                root = new SystemFileItem(settingService.ModRootFolderPath, false, null);
+                LoadFileSystem(settingService.ModRootFolderPath, root);
+                Items = root.Children;
+            }
+        );
     }
 
     private void ContentOnChanged(object sender, FileSystemEventArgs e)
diff --git a/Moder.Language/Strings/Resource.Designer.cs b/Moder.Language/Strings/Resource.Designer.cs
index c9df1a2..89166ff 100644
--- a/Moder.Language/Strings/Resource.Designer.cs
+++ b/Moder.Language/Strings/Resource.Designer.cs
@@ -338,6 +338,15 @@ public static string Common_SelectAll {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to 提示.
+        /// </summary>
+        public static string Common_Tip {
+            get {
+                return ResourceManager.GetString("Common.Tip", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to 未知的.
         /// </summary>
@@ -689,15 +698,6 @@ public static string ThemeMode_Dark {
             }
         }
         
-        /// <summary>
-        ///   Looks up a localized string similar to 青色.
-        /// </summary>
-        public static string ThemeMode_DarkSlateGray {
-            get {
-                return ResourceManager.GetString("ThemeMode.DarkSlateGray", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   Looks up a localized string similar to 明亮.
         /// </summary>
diff --git a/Moder.Language/Strings/Resource.en-US.resx b/Moder.Language/Strings/Resource.en-US.resx
index 6de0eff..657d749 100644
--- a/Moder.Language/Strings/Resource.en-US.resx
+++ b/Moder.Language/Strings/Resource.en-US.resx
@@ -275,9 +275,6 @@
   <data name="LocalizeValueNotFind" xml:space="preserve">
 	  <value>Cannot find the value of localization</value>
   </data>
-  <data name="ThemeMode.DarkSlateGray" xml:space="preserve">
-	  <value>Dark Slate Gray</value>
-  </data>
   <data name="Common.Cancel" xml:space="preserve">
 	  <value>Cancel</value>
   </data>
@@ -323,4 +320,7 @@
   <data name="TraitSelection.SearchPlaceholder" xml:space="preserve">
 	  <value>Search (Trait Name | Trait Modifier Name)</value>
   </data>
+  <data name="Common.Tip" xml:space="preserve">
+	  <value>Tip</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Moder.Language/Strings/Resource.resx b/Moder.Language/Strings/Resource.resx
index 71e3d4f..e36db2e 100644
--- a/Moder.Language/Strings/Resource.resx
+++ b/Moder.Language/Strings/Resource.resx
@@ -281,9 +281,6 @@
 	<data name="LocalizeValueNotFind" xml:space="preserve">
 		<value>未找到本地化的值</value>
 	</data>
-	<data name="ThemeMode.DarkSlateGray" xml:space="preserve">
-		<value>青色</value>
-	</data>
 	<data name="Common.Cancel" xml:space="preserve">
 		<value>取消</value>
 	</data>
@@ -323,4 +320,7 @@
 	<data name="TraitSelection.SearchPlaceholder" xml:space="preserve">
 		<value>搜索 (特质名称 | 特质修饰符名称)</value>
 	</data>
+	<data name="Common.Tip" xml:space="preserve">
+		<value>提示</value>
+	</data>
 </root>
\ No newline at end of file